US20170107677A1 - Limited view dynamic message sign for traffic information - Google Patents
Limited view dynamic message sign for traffic information Download PDFInfo
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- US20170107677A1 US20170107677A1 US15/394,287 US201615394287A US2017107677A1 US 20170107677 A1 US20170107677 A1 US 20170107677A1 US 201615394287 A US201615394287 A US 201615394287A US 2017107677 A1 US2017107677 A1 US 2017107677A1
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- Prior art keywords
- louver
- dms
- front housing
- assembly
- led
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
- G09F27/008—Sun shades, shades, hoods or louvres on electronic displays to minimise the effect of direct sun light on the display
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F11/00—Indicating arrangements for variable information in which the complete information is permanently attached to a movable support which brings it to the display position
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1873—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the type of sign
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/18—Means for attaching signs, plates, panels, or boards to a supporting structure
- G09F2007/1873—Means for attaching signs, plates, panels, or boards to a supporting structure characterised by the type of sign
- G09F2007/1878—Traffic orientation, street markers
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
Definitions
- the subject disclosure relates to methods and signs for displaying information, and more particularly to methods and signs for displaying information to motorists.
- DMS Dynamic Message Signs
- the typical DMS is LED based technology. Such DMS have a large cone of vision when used on roads to allow motorists from great distances and any lane to read the DMS. Although LED technology is bright and easy to read, modification is difficult.
- the reduced cone of vision allows new applications such as displaying a toll rate for High Occupancy lanes.
- the subject technology is directed to a dynamic message sign comprising a front housing defining a viewing window and an interior.
- a LED assembly is in the interior for displaying a message within a cone of vision.
- a louver assembly selectively limits the cone of vision.
- the dynamic message sign may also include a back frame for supporting the front housing. An optional bracket between the back frame and front housing can set the front assembly at an angle with respect to the back frame.
- the LED assembly can include a plurality of LED pixels arranged in rows and columns.
- the louver assembly can include a plurality of louver racks, each louver rack extending adjacent to a column of LED pixels.
- DMS dynamic message sign
- the DMS includes at least one louver for limiting viewing of the plurality of LEDs in a desired direction. At least one louver is preferably adjacent each LED. The LEDs may be grouped in a plurality of pixels and the at least one louver may be adjacent each pixel. Typically, the at least one louver is mounted vertically on a side of each LED pixel if not both sides of each LED pixel.
- the subject technology also includes a method for displaying a message on a DMS comprising the steps of: mounting a LED display assembly in a front housing of the DMS, the LED display having a cone of vision; limiting the cone of vision by mounting a plurality of louver racks on the front housing; and aligning the DMS with lanes of a road so that at least one lane is excluded for a length of road from viewing a message on the LED display assembly that would otherwise be seen if not for the louver racks.
- the method may also include mounting the front housing at an angle with respect to a flow of traffic, mounting the front housing on a back frame, and using a bracket between the front housing and the back frame to set the angle.
- the LED assembly includes a plurality of LED pixels arranged in rows and columns and each louver rack extends adjacent to a column of LED pixels.
- FIG. 1A is a perspective view of a Dynamic Message Sign (DMS) in accordance with the subject technology.
- DMS Dynamic Message Sign
- FIG. 1B is a front view of a DMS in accordance with the subject technology.
- FIG. 1C is a side view of a DMS in accordance with the subject technology.
- FIG. 1D is a perspective view of a DMS with the front opened in accordance with the subject technology.
- FIG. 1E is a side view of a DMS with the front opened in accordance with the subject technology.
- FIG. 2A is a perspective view of a DMS with a front housing/louver assembly set at an angle in accordance with the subject technology.
- FIG. 2B is a top view of a DMS with a front housing/louver assembly set at an angle in accordance with the subject technology.
- FIG. 3A is a front view of a louver rack for a DMS in accordance with the subject technology.
- FIG. 3B is a side view of a louver rack for a DMS in accordance with the subject technology.
- FIG. 3C is a top view of a louver rack for a DMS in accordance with the subject technology.
- FIG. 4 is a top detailed view of several louvers aligned with LEDs for a DMS in accordance with the subject technology.
- FIG. 5 is an overhead view of a highway with a DMS deployed thereon in accordance with the subject technology.
- FIG. 6 is an overhead view of a highway with another DMS deployment thereon in accordance with the subject technology.
- FIG. 7 is an overhead view of a highway with still another DMS deployment thereon in accordance with the subject technology.
- FIG. 8 is an overhead view of a highway with yet another DMS deployment thereon in accordance with the subject technology.
- FIG. 9 is an overhead view of a highway with another exemplary DMS deployment thereon in accordance with the subject technology.
- the DMS 100 has a front housing 102 rotatably mounted to a back frame 104 .
- the front housing 102 defines an interior 106 enclosing an LED assembly 108 (best seen in FIG. 4 ).
- the LED assembly 108 is typically a plurality of LEDs 122 ( FIG. 4 ) clustered together in groups or LED pixels, which are arranged in a rectangular grid.
- the LED pixels may be any shape such as circular as shown in U.S. Patent Application Pub. No. 2004/0123501 published on Jul. 1, 2004 to Safavi et al.
- the front housing 102 also includes a louver assembly 110 that is hingedly connected thereto.
- the louver assembly 110 covers a window 112 that is aligned to allow viewing the LED assembly 108 .
- the louver assembly 110 limits view of the characters displayed in the viewing window 112 in a desired direction as described below with respect to FIGS. 5-9 .
- the front housing 102 can be opened by dropping down the louver assembly 110 to access the LED assembly 108 for maintenance and the like.
- the DMS 100 is shown with the front housing 102 set at an angle with respect to the back frame 104 .
- the front housing 102 is hinged at one end 114 and selectively fixed at an opposing end 116 by using a bracket 118 .
- the angle a of the front housing 102 with respect to the back frame 104 can be modified for a particular application.
- the front housing 102 can also have a bracket 118 on the first end 114 and by virtue of a hinge or other mechanism pivot about the second opposing end 116 .
- the front housing 102 and louver assembly 110 are arranged to fine tune the cone of vision of the DMS 100 for oncoming traffic.
- a motor can connect between the back frame 104 and front housing 102 for selectively setting the front assembly 102 at an angle with respect to the back frame 104 .
- the motor could be a control module sending signals to a rotary motor connected to a rack and pinion.
- a hand crank may be used to set the angle a of the front housing.
- the front housing mounts on a bracket with a series of adjustment points that allow for selection of the angle a of the front housing.
- the louver assembly 110 includes as many louver racks 130 as needed to pair up with the LED pixels.
- the louver racks 130 are made of the same material as the front housing 102 and back frame 104 such as aluminum that has a black coating.
- the louver rack 130 includes a plurality of rectangular blades or louvers 132 for partially blocking light from the LED pixels.
- the louvers 132 may be sized and configured to pair with a single LED 122 depending upon the particular application.
- the louver rack 130 has a single, long solid louver.
- the louvers 132 extend from a backing 134 at a right angle.
- the backing 134 defines slots 136 for easily mounting each louver rack 130 on the front housing 102 in front of the viewing window 112 .
- the louver racks 130 may also be bolted to the front housing 102 .
- FIG. 4 a top detailed view of several louvers 132 aligned with LEDs 122 for a DMS 100 is shown.
- the LEDs 122 have a cone of vision 136 of approximately 28.5 degrees.
- the effective cone of vision is reduced about 5 degrees.
- Selection of the size and placement of the louvers 132 can advantageously modify the viewing range of the DMS 100 such as shown in FIG. 5 . It is envisioned that the standard cone of vision could be much more than 28.5 degrees and, in any case, the cone of vision can be reduced by the louver assembly to less than 5 degrees.
- a typical DMS 100 will have a normal cone of vision at about 30 degrees reduced by about 10 to 90 percent depending upon the application. It is envisioned that a louver can be placed on each side of each LED 122 to limit the view in both directions. As a result, an even smaller cone of vision can be created. Any method now known or later developed for mounting or integrating the louvers can be utilized.
- FIG. 5 is an overhead view of an exemplary highway 200 with the DMS 100 deployed thereon.
- the highway 200 has four normal lanes 202 a - d and two high occupancy (HOT) lanes 204 a - b separated by a dividing area 206 .
- the DMS 100 would typically be mounted above the road surface in a known manner.
- a plurality of cars 208 a - g are shown travelling along the highway 200 .
- the viewing area 210 of the DMS message becomes limited as illustrated by demarcation lines 212 a - b.
- the length L 1 of the HOT lanes 204 a - b completely unable to read the DMS message is about 146 feet.
- a length L 2 of the HOT lanes 204 a - b that is at least partially blocked is about 420 feet.
- a length L 3 of lane 202 a in which it may be difficult to read the DMS message is about 110 feet.
- the DMS 100 is sized so that a visibility length L 4 of the message extends at least 1000 feet.
- FIG. 6 an overhead view of the highway 200 with another DMS deployment thereon is illustrated.
- the highway 200 is drawn with like reference numerals as shown above in FIG. 5 .
- the DMS 100 has been adjusted to include an angle a between the front housing 102 and back frame 104 .
- the lengths L 1 , L 2 and L 3 are modified.
- the length L 1 is about 357 feet
- the length L 2 is about 816 feet
- the length L 3 is about 88 feet.
- FIG. 7 an overhead view of the highway 200 with still another DMS deployment thereon is shown.
- the DMS 100 has been adjusted to include a different angle a between the front housing 102 and back frame 104 .
- the length L 1 is about 1000 feet
- the length L 2 is over 1000 feet
- the length L 3 is about 82 feet.
- the highway 200 includes a plurality of DMS 100 .
- each DMS 100 has been adjusted to include an angle a of 10 degrees between the front housing 102 and back frame 104 .
- the DMS 100 are particularly placed to straddle the dividing area 206 and normal lane 202 d so that the HOT lanes 204 a - b cannot see the DMS message at all.
- FIG. 9 an overhead view of the highway 200 with yet another DMS deployment thereon is shown.
- the DMS 100 has longer louvers 132 on each side of the LEDs 122 so that the cone of vision 236 is significantly limited to about 10 degrees.
- the central lane 202 c or adjacent lanes 202 b, 202 d can view the DMS message.
- the louver configuration and/or angle a can be adjusted to produce a desired result suitable for a particular application.
- both sides of the front housing can be inserted with a bracket.
- the DMS can also be equipped with a kit having a plurality of different brackets for on-site adjustment.
- the front housing is simply mounted on the support at an angle with respect to the oncoming traffic.
- the sign may be any size for any application.
- a DMS could be one square foot for use as a crosswalk sign directed at pedestrians.
- a DMS may provide information at a train station regarding train information, safety information and/or provide information to aide in flow of pedestrian traffic.
- Stores may use a plurality of DMS to provide information outside the store such as “open” or “closed” as well as information in the store such as various “specials” information inside the store.
- the DMS can be any color and, thus, color can be selected to be suited for the application.
- the subject technology is also particularly suited to retrofit on existing sign structures. Providing a bracket or other like mechanism to set the angle is particularly useful in retrofit applications.
- any functional element may perform fewer, or different, operations than those described with respect to the illustrated embodiment.
- functional elements e.g., assemblies, brackets, modules, interfaces, housings and the like
- shown as distinct for purposes of illustration may be incorporated within other functional elements in a particular implementation.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
Description
- This application claims priority to U.S. Provisional Patent Application No. 62/218,937 filed Sep. 15, 2015, which is incorporated herein by reference.
- 1. Field of the Invention
- The subject disclosure relates to methods and signs for displaying information, and more particularly to methods and signs for displaying information to motorists.
- 2. Background of the Related Art
- Signs next to and above highways have become commonplace. Such signs can provide motorists with important information such as real-time traffic information, emergency conditions, and detour information. Signs can also provide ample advertising, instructional and other information. Dynamic Message Signs (DMS) have become a popular choice to present such information. For example, see U.S. PG Pub. No. 2004/0123501 published on Jul. 1, 2004 to Safavi et al., U.S. PG Pub. No. 2013/0282154 published on Oct. 24, 2013 to Chappall et al., and U.S. Pat. No. 7,511,634 issued on Mar. 31, 2009 to Stehle et al.
- The typical DMS is LED based technology. Such DMS have a large cone of vision when used on roads to allow motorists from great distances and any lane to read the DMS. Although LED technology is bright and easy to read, modification is difficult.
- Despite the advances noted above, a need exists for a DMS that has a reduced cone of vision in one or more directions yet still takes advantage of LED technology. Preferably, the reduced cone of vision allows new applications such as displaying a toll rate for High Occupancy lanes.
- In one embodiment, the subject technology is directed to a dynamic message sign comprising a front housing defining a viewing window and an interior. A LED assembly is in the interior for displaying a message within a cone of vision. A louver assembly selectively limits the cone of vision. The dynamic message sign may also include a back frame for supporting the front housing. An optional bracket between the back frame and front housing can set the front assembly at an angle with respect to the back frame. The LED assembly can include a plurality of LED pixels arranged in rows and columns. The louver assembly can include a plurality of louver racks, each louver rack extending adjacent to a column of LED pixels.
- Another embodiment of the subject technology is directed to a dynamic message sign (DMS) having a plurality of LEDs clustered together. The DMS includes at least one louver for limiting viewing of the plurality of LEDs in a desired direction. At least one louver is preferably adjacent each LED. The LEDs may be grouped in a plurality of pixels and the at least one louver may be adjacent each pixel. Typically, the at least one louver is mounted vertically on a side of each LED pixel if not both sides of each LED pixel.
- The subject technology also includes a method for displaying a message on a DMS comprising the steps of: mounting a LED display assembly in a front housing of the DMS, the LED display having a cone of vision; limiting the cone of vision by mounting a plurality of louver racks on the front housing; and aligning the DMS with lanes of a road so that at least one lane is excluded for a length of road from viewing a message on the LED display assembly that would otherwise be seen if not for the louver racks. The method may also include mounting the front housing at an angle with respect to a flow of traffic, mounting the front housing on a back frame, and using a bracket between the front housing and the back frame to set the angle. Preferably, the LED assembly includes a plurality of LED pixels arranged in rows and columns and each louver rack extends adjacent to a column of LED pixels.
- It should be appreciated that the subject technology can be implemented and utilized in numerous ways, including without limitation as a process, an apparatus, a system, a device, and a method for applications now known and later developed. These and other unique features of the system disclosed herein will become more readily apparent from the following description and the accompanying drawings.
- So that those having ordinary skill in the art to which the disclosed system appertains will more readily understand how to make and use the same, reference may be had to the following drawings.
-
FIG. 1A is a perspective view of a Dynamic Message Sign (DMS) in accordance with the subject technology. -
FIG. 1B is a front view of a DMS in accordance with the subject technology. -
FIG. 1C is a side view of a DMS in accordance with the subject technology. -
FIG. 1D is a perspective view of a DMS with the front opened in accordance with the subject technology. -
FIG. 1E is a side view of a DMS with the front opened in accordance with the subject technology. -
FIG. 2A is a perspective view of a DMS with a front housing/louver assembly set at an angle in accordance with the subject technology. -
FIG. 2B is a top view of a DMS with a front housing/louver assembly set at an angle in accordance with the subject technology. -
FIG. 3A is a front view of a louver rack for a DMS in accordance with the subject technology. -
FIG. 3B is a side view of a louver rack for a DMS in accordance with the subject technology. -
FIG. 3C is a top view of a louver rack for a DMS in accordance with the subject technology. -
FIG. 4 is a top detailed view of several louvers aligned with LEDs for a DMS in accordance with the subject technology. -
FIG. 5 is an overhead view of a highway with a DMS deployed thereon in accordance with the subject technology. -
FIG. 6 is an overhead view of a highway with another DMS deployment thereon in accordance with the subject technology. -
FIG. 7 is an overhead view of a highway with still another DMS deployment thereon in accordance with the subject technology. -
FIG. 8 is an overhead view of a highway with yet another DMS deployment thereon in accordance with the subject technology. -
FIG. 9 is an overhead view of a highway with another exemplary DMS deployment thereon in accordance with the subject technology. - The subject technology overcomes many of the prior art problems associated with Dynamic Message Signs (DMS). The advantages, and other features of the systems and methods disclosed herein, will become more readily apparent to those having ordinary skill in the art from the following detailed description of certain preferred embodiments taken in conjunction with the drawings which set forth representative embodiments of the present invention.
- Referring now to
FIGS. 1A-E , various views of a Dynamic Message Sign (DMS) 100 in accordance with the subject technology are shown. TheDMS 100 has afront housing 102 rotatably mounted to aback frame 104. Thefront housing 102 defines an interior 106 enclosing an LED assembly 108 (best seen inFIG. 4 ). TheLED assembly 108 is typically a plurality of LEDs 122 (FIG. 4 ) clustered together in groups or LED pixels, which are arranged in a rectangular grid. The LED pixels may be any shape such as circular as shown in U.S. Patent Application Pub. No. 2004/0123501 published on Jul. 1, 2004 to Safavi et al. - The
front housing 102 also includes alouver assembly 110 that is hingedly connected thereto. Thelouver assembly 110 covers awindow 112 that is aligned to allow viewing theLED assembly 108. Thelouver assembly 110 limits view of the characters displayed in theviewing window 112 in a desired direction as described below with respect toFIGS. 5-9 . As shown inFIG. 1D , thefront housing 102 can be opened by dropping down thelouver assembly 110 to access theLED assembly 108 for maintenance and the like. - Referring now to
FIGS. 2A and 2B , theDMS 100 is shown with thefront housing 102 set at an angle with respect to theback frame 104. Thefront housing 102 is hinged at oneend 114 and selectively fixed at anopposing end 116 by using abracket 118. By providing a plurality of differentlysized brackets 118 the angle a of thefront housing 102 with respect to theback frame 104 can be modified for a particular application. Preferably, thefront housing 102 can also have abracket 118 on thefirst end 114 and by virtue of a hinge or other mechanism pivot about the secondopposing end 116. Typically, thefront housing 102 andlouver assembly 110 are arranged to fine tune the cone of vision of theDMS 100 for oncoming traffic. Instead of a bracket, a motor can connect between theback frame 104 andfront housing 102 for selectively setting thefront assembly 102 at an angle with respect to theback frame 104. For example, the motor could be a control module sending signals to a rotary motor connected to a rack and pinion. In another embodiment, a hand crank may be used to set the angle a of the front housing. In still another embodiment, the front housing mounts on a bracket with a series of adjustment points that allow for selection of the angle a of the front housing. - Referring now to
FIGS. 3A-C , several views of avertical louver rack 130 for thelouver assembly 110 are shown. Thelouver assembly 110 includes asmany louver racks 130 as needed to pair up with the LED pixels. Preferably, the louver racks 130 are made of the same material as thefront housing 102 andback frame 104 such as aluminum that has a black coating. - The
louver rack 130 includes a plurality of rectangular blades orlouvers 132 for partially blocking light from the LED pixels. Thelouvers 132 may be sized and configured to pair with asingle LED 122 depending upon the particular application. In another embodiment, thelouver rack 130 has a single, long solid louver. Thelouvers 132 extend from abacking 134 at a right angle. Thebacking 134 definesslots 136 for easily mounting eachlouver rack 130 on thefront housing 102 in front of theviewing window 112. The louver racks 130 may also be bolted to thefront housing 102. - Referring now to
FIG. 4 , a top detailed view ofseveral louvers 132 aligned withLEDs 122 for aDMS 100 is shown. In the shown embodiment, theLEDs 122 have a cone ofvision 136 of approximately 28.5 degrees. By mounting alouver 132 in front of eachLED 122, the effective cone of vision is reduced about 5 degrees. Selection of the size and placement of thelouvers 132 can advantageously modify the viewing range of theDMS 100 such as shown inFIG. 5 . It is envisioned that the standard cone of vision could be much more than 28.5 degrees and, in any case, the cone of vision can be reduced by the louver assembly to less than 5 degrees. Atypical DMS 100 will have a normal cone of vision at about 30 degrees reduced by about 10 to 90 percent depending upon the application. It is envisioned that a louver can be placed on each side of eachLED 122 to limit the view in both directions. As a result, an even smaller cone of vision can be created. Any method now known or later developed for mounting or integrating the louvers can be utilized. -
FIG. 5 is an overhead view of anexemplary highway 200 with theDMS 100 deployed thereon. Thehighway 200 has four normal lanes 202 a-d and two high occupancy (HOT) lanes 204 a-b separated by a dividingarea 206. TheDMS 100 would typically be mounted above the road surface in a known manner. A plurality of cars 208 a-g are shown travelling along thehighway 200. - By including the louver assembly as shown in
FIG. 4 , theviewing area 210 of the DMS message becomes limited as illustrated by demarcation lines 212 a-b. As can be seen, there is a significant area of the HOT lanes 204 a-b that is outside the viewing area 210 (e.g., a significant area that is unable to read theDMS 100 by design). In one embodiment, the length L1 of the HOT lanes 204 a-b completely unable to read the DMS message is about 146 feet. A length L2 of the HOT lanes 204 a-b that is at least partially blocked is about 420 feet. A length L3 oflane 202 a in which it may be difficult to read the DMS message is about 110 feet. Preferably, theDMS 100 is sized so that a visibility length L4 of the message extends at least 1000 feet. - Referring now to
FIG. 6 , an overhead view of thehighway 200 with another DMS deployment thereon is illustrated. As will be appreciated by those of ordinary skill in the pertinent art, thehighway 200 is drawn with like reference numerals as shown above inFIG. 5 . In this embodiment, theDMS 100 has been adjusted to include an angle a between thefront housing 102 andback frame 104. As such, the lengths L1, L2 and L3 are modified. The length L1 is about 357 feet, the length L2 is about 816 feet and the length L3 is about 88 feet. - Referring now to
FIG. 7 , an overhead view of thehighway 200 with still another DMS deployment thereon is shown. Again, theDMS 100 has been adjusted to include a different angle a between thefront housing 102 andback frame 104. As such, the length L1 is about 1000 feet, the length L2 is over 1000 feet and the length L3 is about 82 feet. - Referring now to
FIG. 8 , an overhead view of thehighway 200 with another DMS deployment thereon is shown. Thehighway 200 includes a plurality ofDMS 100. In this embodiment, eachDMS 100 has been adjusted to include an angle a of 10 degrees between thefront housing 102 andback frame 104. TheDMS 100 are particularly placed to straddle thedividing area 206 andnormal lane 202 d so that the HOT lanes 204 a-b cannot see the DMS message at all. - Referring now to
FIG. 9 , an overhead view of thehighway 200 with yet another DMS deployment thereon is shown. In this embodiment, theDMS 100 haslonger louvers 132 on each side of theLEDs 122 so that the cone of vision 236 is significantly limited to about 10 degrees. As such, only thecentral lane 202 c oradjacent lanes - As can be seen from review of the subject disclosure, the louver configuration and/or angle a can be adjusted to produce a desired result suitable for a particular application. In another embodiment, both sides of the front housing can be inserted with a bracket. The DMS can also be equipped with a kit having a plurality of different brackets for on-site adjustment. In another embodiment, rather than including a back frame and bracket, the front housing is simply mounted on the support at an angle with respect to the oncoming traffic.
- The subject technology is also applicable to many other areas. For example, the sign may be any size for any application. A DMS could be one square foot for use as a crosswalk sign directed at pedestrians. A DMS may provide information at a train station regarding train information, safety information and/or provide information to aide in flow of pedestrian traffic. Stores may use a plurality of DMS to provide information outside the store such as “open” or “closed” as well as information in the store such as various “specials” information inside the store. The DMS can be any color and, thus, color can be selected to be suited for the application. The subject technology is also particularly suited to retrofit on existing sign structures. Providing a bracket or other like mechanism to set the angle is particularly useful in retrofit applications.
- It will be appreciated by those of ordinary skill in the pertinent art that the functions of several elements may, in alternative embodiments, be carried out by fewer elements, or a single element. Similarly, in some embodiments, any functional element may perform fewer, or different, operations than those described with respect to the illustrated embodiment. Also, functional elements (e.g., assemblies, brackets, modules, interfaces, housings and the like) shown as distinct for purposes of illustration may be incorporated within other functional elements in a particular implementation.
- All patents, patent applications and other references disclosed herein are hereby expressly incorporated in their entireties by reference. While the subject technology has been described with respect to preferred embodiments, those skilled in the art will readily appreciate that various changes and/or modifications can be made to the subject technology without departing from the spirit or scope of the invention as defined by the appended claims.
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/394,287 US9702097B2 (en) | 2015-09-15 | 2016-12-29 | Limited view dynamic message sign for traffic information |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US201562218937P | 2015-09-15 | 2015-09-15 | |
US14/970,287 US9552752B1 (en) | 2015-09-15 | 2015-12-15 | Limited view dynamic message sign for traffic information |
US15/394,287 US9702097B2 (en) | 2015-09-15 | 2016-12-29 | Limited view dynamic message sign for traffic information |
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US15/394,287 Expired - Fee Related US9702097B2 (en) | 2015-09-15 | 2016-12-29 | Limited view dynamic message sign for traffic information |
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US9928371B2 (en) | 2014-11-19 | 2018-03-27 | Papal, Inc. | Systems and methods for protecting information displayed on a user interface of a device |
US9886598B2 (en) | 2014-12-29 | 2018-02-06 | Paypal, Inc. | Automatic adjustment of a display to obscure data |
US9928372B2 (en) * | 2015-10-23 | 2018-03-27 | Paypal, Inc. | Selective screen privacy |
CN107025859A (en) * | 2017-06-12 | 2017-08-08 | 张悦 | Bus platform luminous prompting board easy mounting structure |
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US4726134A (en) * | 1986-11-21 | 1988-02-23 | Minnesota Mining And Manufacturing Company | Roadway sign |
KR100342081B1 (en) * | 1994-03-18 | 2002-11-13 | 타키론 가부시기가이샤 | Displaying apparatus with light-shielding grating |
CA2121297C (en) | 1994-04-14 | 2001-10-30 | Bruce B. Reeder | Apparatus and method for remotely controlled variable message display |
US5758442A (en) * | 1995-11-03 | 1998-06-02 | Vultron, Inc. | Modular window electronic sign |
US6384736B1 (en) | 1998-04-30 | 2002-05-07 | Dave Gothard | Remote control electronic display system |
US6154945A (en) * | 1998-08-26 | 2000-12-05 | Daktronics, Inc. | Process for removing a sign display module |
US6317058B1 (en) | 1999-09-15 | 2001-11-13 | Jerome H. Lemelson | Intelligent traffic control and warning system and method |
US6701143B1 (en) | 1999-12-15 | 2004-03-02 | Vert, Inc. | Apparatus, methods, and computer programs for displaying information on mobile signs |
US7098870B2 (en) | 2001-06-29 | 2006-08-29 | Novus Partners Llc | Advertising method for dynamic billboards |
CA2759092C (en) | 2002-12-31 | 2014-04-22 | Luminator Holding, L.P. | Dynamic messaging sign |
US7055271B2 (en) * | 2003-10-17 | 2006-06-06 | Daktronics, Inc. | Electronic display module having a four-point latching system for incorporation into an electronic sign and process |
US7167106B2 (en) | 2004-04-15 | 2007-01-23 | 3M Innovative Properties Company | Methods and systems utilizing a programmable sign display located in proximity to a traffic light |
CA2584200A1 (en) * | 2004-10-12 | 2006-04-20 | Arie Traupianski | Visual elements array information display and road safety system |
US7511634B2 (en) | 2004-12-22 | 2009-03-31 | Htnb Corporation | Retrieving and presenting dynamic traffic information |
EP1808840B1 (en) * | 2006-01-13 | 2020-03-04 | Barco N.V. | Method and device for shading in a display system |
US20080141570A1 (en) * | 2006-10-30 | 2008-06-19 | Daktronics, Inc. | Thermoplastic elastomer protective louver covering for use with an electronic display module |
US8446293B2 (en) | 2006-11-06 | 2013-05-21 | Skyline Corporation | Traffic sign system that uses the national transportation communications for intelligent systems protocol |
US20080136658A1 (en) * | 2006-12-11 | 2008-06-12 | Kenneth Alan Brask | Tilting Display Assembly and Method |
GB0711632D0 (en) * | 2007-06-18 | 2007-07-25 | Barco Nv | Method and device for shading in a display system |
US8350788B1 (en) * | 2007-07-06 | 2013-01-08 | Daktronics, Inc. | Louver panel for an electronic sign |
ITMI20091562A1 (en) * | 2009-09-11 | 2011-03-12 | Marco Bertele | LED SCREEN, PARTICULARLY FOR OUTDOOR ENVIRONMENTS. |
US8590184B2 (en) * | 2011-06-27 | 2013-11-26 | Luminator Holding L.P. | Display device for transportation vehicle |
US20130282154A1 (en) | 2012-04-18 | 2013-10-24 | Vere Chappell | Remote dynamic message sign systems and methods of control |
JP6135492B2 (en) * | 2013-12-16 | 2017-05-31 | 日亜化学工業株式会社 | Manufacturing method of display device |
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2016
- 2016-09-08 CA CA2941130A patent/CA2941130C/en not_active Expired - Fee Related
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US9552752B1 (en) | 2017-01-24 |
US9702097B2 (en) | 2017-07-11 |
CA2941130A1 (en) | 2016-11-07 |
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